CVE-2026-72312High· 7.9▾ TwilightIn the Linux kernel, the following vulnerability has been resolved: octeontx2-af: fix VF bringup affecting PF promiscuous state Mbox handling of nix_set_rx_mode for a VF with promiscuous and all_multi flags set to false causes deletion…
▾ Twilight zone — High severity, or a signal on a lesser flaw
impact 43.5 · likelihood 0 · exploitation 0
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Stakeholder-Specific Vulnerability Categorization from CISA's ADP record at CVE.org: whether exploitation is observed, whether an attack can be automated, and how much of the system is at stake. The CVSS score shown above comes from the assigning CNA record, not NVD.
Disclosure to exploitation, from the record and what we observed since indexing it.
Disclosed via CVEORG
Last analysed / modified upstream
0.2%
In the Linux kernel, the following vulnerability has been resolved:
octeontx2-af: fix VF bringup affecting PF promiscuous state
Mbox handling of nix_set_rx_mode for a VF with promiscuous and all_multi flags set to false causes deletion of the PF's promiscuous and allmulti MCAM rules. This occurs because the APIs that enable/disable these rules operate only on the PF, even when the mbox request is made via a VF interface.
Guard both rvu_npc_enable_allmulti_entry() and rvu_npc_enable_promisc_entry() disable paths with an is_vf() check so that a VF bringing up or tearing down its interface cannot inadvertently clear the PF's MCAM rules.
Linux >= 967db3529ecac305d230aa4e60abddf6ab63543a < daa2451640a3e0727fd598f5c2ccb8bb4d5a8b9cLinux >= 967db3529ecac305d230aa4e60abddf6ab63543a < 212c59e5e416859579272288fd325148fc316109Linux >= 967db3529ecac305d230aa4e60abddf6ab63543a < 53e17d9ed779ad25870abb9c31bc294c71a2278cLinux >= 967db3529ecac305d230aa4e60abddf6ab63543a < 3de77d2f34c2bc2acaedabc2c5e0a561b85c283aLinux >= 967db3529ecac305d230aa4e60abddf6ab63543a < 3cf83432e0561aef6d7ec2664909d12d0ff0ffc1Linux >= 967db3529ecac305d230aa4e60abddf6ab63543a < fabb881df322da25442f98d23f5fa371e3c78ec4Linux 5.14Refer to the linked advisories for vendor-supplied fixes and affected version ranges.
Connected by shared product, vendor, weakness, or advisory.
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